diff --git a/tunnel/tools/ndk-compat/compat.c b/tunnel/tools/ndk-compat/compat.c
index a610da4c..2c54c086 100644
--- a/tunnel/tools/ndk-compat/compat.c
+++ b/tunnel/tools/ndk-compat/compat.c
@@ -6,7 +6,7 @@
 
 #define FILE_IS_EMPTY
 
-#if defined(__ANDROID_API__) && __ANDROID_API__ < 18
+#if defined(__ANDROID_MIN_SDK_VERSION__) && __ANDROID_MIN_SDK_VERSION__ < 18
 #undef FILE_IS_EMPTY
 #include <stdio.h>
 #include <stdlib.h>
@@ -58,7 +58,7 @@ ssize_t getline(char **buf, size_t *bufsiz, FILE *fp)
 }
 #endif
 
-#if defined(__ANDROID_API__) && __ANDROID_API__ < 24
+#if defined(__ANDROID_MIN_SDK_VERSION__) && __ANDROID_MIN_SDK_VERSION__ < 24
 #undef FILE_IS_EMPTY
 #include <string.h>
 
diff --git a/tunnel/tools/ndk-compat/compat.h b/tunnel/tools/ndk-compat/compat.h
index 73cce668..32f6d799 100644
--- a/tunnel/tools/ndk-compat/compat.h
+++ b/tunnel/tools/ndk-compat/compat.h
@@ -4,13 +4,13 @@
  *
  */
 
-#if defined(__ANDROID_API__) && __ANDROID_API__ < 18
+#if defined(__ANDROID_MIN_SDK_VERSION__) && __ANDROID_MIN_SDK_VERSION__ < 18
 #include <stdio.h>
 ssize_t getdelim(char **buf, size_t *bufsiz, int delimiter, FILE *fp);
 ssize_t getline(char **buf, size_t *bufsiz, FILE *fp);
 #endif
 
-#if defined(__ANDROID_API__) && __ANDROID_API__ < 24
+#if defined(__ANDROID_MIN_SDK_VERSION__) && __ANDROID_MIN_SDK_VERSION__ < 24
 char *strchrnul(const char *s, int c);
 #endif